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Note C - Inventories (Tables)
6 Months Ended
Sep. 30, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

September 30, 2021

  

March 31, 2021

 

Prime Coil Inventory

 $55,050,920  $23,079,012 

Non-Standard Coil Inventory

  1,307,105   1,419,055 

Tubular Raw Material

  6,596,781   2,607,197 

Tubular Finished Goods

  4,782,812   8,910,829 
  $67,737,618  $36,016,093